The quest to find the right answer becomes more compelling because they assimilate and /or leave even with parental pressure. Ask the individuals who do not practice Rabbi Shlomo Amar's Orthodoxy, something about the dogma doesn't appeal to them. Obvious the fault lies with the teacher because if the class is asleep and/ or is leaving the classroom, you can only assume that the teacher's methods are not effective. Thank G-D for the Conservative and Reform movement. Without them many more would be lost. Perhaps Shlomo you should start finding ways to embrace them, incorporate them and respect them. One other thing - please drop the uniform, you look dictatorial.
High school teacher's union threatens strike (Haaretz)